PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22933296-5 2012 After three doses over 4 days of EFV monotherapy, 103N mutations (AAC and AAT) rapidly emerged and increased in the population to levels of ~20%, indicating that they were present prior to EFV exposure. efavirenz 33-36 serpin family A member 1 Homo sapiens 74-77